Mini-chamber



FIG. 1 is a side view of the mini-chamber of one embodiment of the invention and the dotted lines are for environmental purpose only and form no part of the claimed design.

FIG. 2 is a perspective view of the mini-chamber of FIG. 1.

FIG. 3 is a first end view of the mini-chamber of FIG. 1; and,

FIG. 4 is an opposing end view of the mini-chamber of FIG. 1. 

The ornamental design for a mini-chamber, as shown and described. 